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Understand the “Decorator Pattern” with a real world example
... the patterns biggest strength though would be modifying 3rd-party classes then.
– Canucklesandwich
Dec 9 '15 at 1:16
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Do I need dependency injection in NodeJS, or how to deal with …?
...host, databasename); //<--- values typically from a config file
}
Then, any module that needs a database connection would then just include your MyDbConnection module.
SuperCoolWebApp.js:
var dbCon = require('./lib/mydbconnection'); //wherever the file is stored
//now do something with t...
JUnit vs TestNG [closed]
...tNG has a neat feature where you can mark tests as a particular group, and then easily run all tests of a specific group, or exclude tests of a particular group. Thus you can mark tests that run slowly as in the "slow" group and then ignore them when you want quick results. A suggestion from their...
Use of var keyword in C#
...e track (say from ObservableCollection<Order> to IList<Order>) then I need to change that declaration too - something I wouldn't have to do if I'd used var in the first place.
share
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Change a Git remote HEAD to point to something besides master
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You could then enforce that policy by disallowing any update on master branch through a pre-commit hook.
– VonC
Sep 28 '09 at 5:58
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Issue with adding common code as git submodule: “already exists in the index”
...odule, you can do:
git rm --cached projectfolder
... to unstage it, and then:
git submodule add url_to_repo projectfolder
... to add the repository as a submodule.
However, it's also possible that you will see many blobs listed (with file modes 100644 and 100755), which would suggest to me th...
Insert a commit before the root commit in Git?
...eplacement should be the one(s) that you listed (i.e. the newroot commit). Then git replace goes ahead and creates this commit for you, and then declares that commit as the replacement for your original commit.
Now if you do a git log, you will see that things already look as you want them to: the ...
How do I resize an image using PIL and maintain its aspect ratio?
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Define a maximum size.
Then, compute a resize ratio by taking min(maxwidth/width, maxheight/height).
The proper size is oldsize*ratio.
There is of course also a library method to do this: the method Image.thumbnail.
Below is an (edited) example f...
Maven: Failed to read artifact descriptor
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@MrPhi: If you have the m2e plugin, then you can use Maven -> "Update Project...". The next dialog will have an option to force updates of snapshots and releases.
– Aaron Digulla
Mar 13 '14 at 14:04
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What is the difference between a generative and a discriminative algorithm?
...el p(x,y), which can be transformed into p(y|x) by applying Bayes rule and then used for classification. However, the distribution p(x,y) can also be used for other purposes. For example, you could use p(x,y) to generate likely (x,y) pairs.
From the description above, you might be thinking that gen...